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Re: pread and pwrite

To: Carsten Langgaard <carstenl@mips.com>
Subject: Re: pread and pwrite
From: Ralf Baechle <ralf@oss.sgi.com>
Date: Wed, 17 Jul 2002 15:59:30 +0200
Cc: "H. J. Lu" <hjl@lucon.org>, linux-mips@oss.sgi.com
In-reply-to: <3D3532FB.E227A5AD@mips.com>; from carstenl@mips.com on Wed, Jul 17, 2002 at 11:03:55AM +0200
References: <3D3532FB.E227A5AD@mips.com>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.2.5.1i
On Wed, Jul 17, 2002 at 11:03:55AM +0200, Carsten Langgaard wrote:

> 
> Here there is some checking for sane values and a proper error value is
> return.
> I guess this routine is replaced, if we have the syscall implemented
> with the sysdeps/unix/sysv/linux/mips/pread.c file.
> Here there is no check for sane values, is there any reason why ?
> The same thing goes for pwrite.

The kernel does it's own error checking.  No need to duplicate that in
userspace.

  Ralf


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